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Electronic Theses & Dissertations
195
Pula : Botswana Journal of African Studies
1
Material Type
Theses
195
Articles
1
Language
English
196
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In Copyright
171
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Acid rain
1
Agricultural chemistry
1
Agricultural mapping
1
Agricultural systems
1
Agricultural wastes--Environmental aspects
1
Agriculture
2
Agriculture--Economic aspects
1
Alfalfa
3
Alkali lands
1
Aluminum
1
Apples
1
Archaeology
1
Argentina
1
Arthropoda
1
Beans
2
Beef cattle--Cow-calf system
1
Beet sugar
2
Bioavailability
1
Biotic communities
1
Botany
2
Botswana
1
Brazil
2
Burning of land
1
Cadmium
1
Calcium
1
Calcium carbonate
2
Canada
1
Carbon
1
Carnations
1
Carrots
2
Chernozem soils
2
Clay
1
Clay minerals
1
Clay soils
1
Climatology
1
Cobalt
1
Colloids
1
Colluvium
1
Compost
1
Corn
1
Crop residues
1
Crop rotation
1
Crop yields
3
Cropping systems
1
Dendrochronology
1
Digital elevation models
1
Digital soil mapping
1
Eastern Nigeria
1
Ecological heterogeneity
1
Ecology
2
Ecuador
1
Evaporation
1
Farm management
1
Farms--Valuation
2
Fertilizers
14
Fertilizers--Research
1
Floods
1
Forest ecology
3
Forest fires
1
Forest influences
2
Forests and forestry
3
Fungi
2
Geographic information systems
1
Geology
2
Ghana
1
Glacial landforms
1
Grain
1
Grasses
1
Grazing
1
Grazing--Planning
1
Great Lakes Region
1
Green manuring
1
Greenhouse management
1
Grids (Cartography)
1
Growth (Plants)
4
Hardwoods
1
Hay
1
Hexachlorobenzene
1
Hornblende
1
Humus
1
Indiana
1
Insecticides
1
Iraq
1
Iron age
1
Iron oxides
1
Irrigation
1
Irrigation--Planning
1
Jack pine
1
Japan
1
Kidney bean
1
Kidney bean--Research
1
Land use
5
Legumes
1
Libya
1
Lime
2
Liming of soils
1
Loam soils
1
Logging
1
Magnesium
2
Manganese
2
Manures
4
Michigan
55
Michigan--Baraga County
1
Michigan--Clinton County
1
Michigan--Holt
1
Michigan--Huron County
1
Michigan--Ingham County
2
Michigan--Mecosta County
1
Michigan--Monroe County
1
Michigan--Newaygo County
1
Michigan--Osceola County
2
Michigan--Ottawa County
1
Michigan--Tuscola County
1
Middle West
1
Mineralogy
1
Montana
1
Moraines
1
Natural resources
1
Nebraska
1
Nematode-plant relationships
1
New England
1
New Mexico
1
Nickel
1
Nitrates
2
Nitrates--Environmental aspects
1
Nitrification
1
Nitrogen
2
Nitrogen cycle
1
Nitrogen fertilizers
1
Nitrous oxide
1
North Carolina
2
North Dakota
1
Nutrition
1
Onions
1
Ontario
2
Organocopper compounds
2
Pastoral systems
1
Peach
1
Peru
3
Phenols
1
Phosphate rock
1
Phosphorus
4
Phytopathogenic fungi
1
Plant anatomy--Methodology
1
Plant ecology
1
Plant morphology--Periodicals
1
Plant morphology--Philosophy
1
Plants--Analysis
2
Plants--Effect of cadmium on
1
Plants--Effect of chemicals on
1
Plants--Effect of copper on
1
Plants--Effect of metals on
1
Plants--Effect of minerals on
1
Plants--Effect of phosphorus on
1
Plants--Effect of potassium on
1
Plants--Effect of salts on
1
Plants--Nutrition
3
Podzol
5
Potassium
6
Potatoes
1
Potatoes--Yields
2
Prairies
1
Prehistoric peoples
1
Raspberries
1
Remote sensing
1
Reproduction
1
Research
1
Rhizobacteria
1
Rice
1
Road materials
1
Roots
1
Salts, Soluble
1
Sand
1
Sandy soils
1
Saprolites
1
Saskatchewan
1
Seedlings
2
Seedlings--Evaluation
1
Seedlings--Growth
1
Seeds
1
Sierra Leone
1
Slash pine
1
Slopes (Physical geography)
1
Slopes (Physical geography)--Data processing
1
Soil absorption and adsorption
1
Soil acidity
2
Soil amendments
1
Soil chemistry
17
Soil chronosequences
1
Soil conservation
1
Soil degradation
1
Soil erosion
1
Soil fungi
1
Soil management
1
Soil mapping
2
Soil mechanics
2
Soil microbiology
5
Soil mineralogy
1
Soil moisture
4
Soil percolation
1
Soil permeability
1
Soil physical chemistry
1
Soil physics
1
Soil science
1
Soil stabilization
1
Soil structure
2
Soil surveys
2
Soil temperature
1
Soils and climate
1
Soils--Analysis
7
Soils--Calcium content
1
Soils--Carbonate content
1
Soils--Copper content
1
Soils--Iron content
1
Soils--Manganese content
2
Soils--Nitrogen content
2
Soils--Phosphorus content
3
Soils--Potassium content
2
Soils--Research
2
Soils--Testing
1
Soils--Zinc content
2
Somalia
1
Soybean
1
Species diversity
1
Sugar beet
3
Sugarcane
1
Sulfur
2
Superphosphates
1
Temperate climate
1
Testing
2
Texas
1
Tillage
5
Tropics
1
Turfgrasses--Growth
1
United States--Blue Ridge Mountains
1
Vegetation classification
1
Virginia
2
Water balance (Hydrology)
1
Weathering
1
Wetlands
1
Wisconsin
1
Zinc
1
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An economic analysis of potato yields on certain Ontario mineral soils in controlled fertilizer experiments, 1954-1956
Wright, Philip A.
Text (1962)
Part of
Electronic Theses & Dissertations
Effect of depth of planting and seed treatment on emergence of perfect and imperfect sheared sugarbeet seed
Satchell, Donald Prentice
Text (1947)
Part of
Electronic Theses & Dissertations
Genesis, morphology and classification of some till derived Chernozems of eastern North Dakota
Redmond, C. E. (Charles Edward), 1932-
Text (1964)
Part of
Electronic Theses & Dissertations
Factors influencing the production of nitrous oxide during denitrification
Firestone, Mary Kathryn
Text (1978)
Part of
Electronic Theses & Dissertations
Some chemical studies of soils in relation to satisfactory and unsatisfactory growth of peach trees
Chu, Tsu-siang
Text (1946)
Part of
Electronic Theses & Dissertations
Characteristics of Spodosols developed on a sandy topo-biosequence in Northern Michigan
Collins, Johnnie B., 1943-
Text (1971)
Part of
Electronic Theses & Dissertations
A study of the relationships between some soil properties, ability of farmers, number of animal units carried, and crop yields on St. Clair County farms
Buxton, Lyle W.
Text (1942)
Part of
Electronic Theses & Dissertations
A chronosequence of podzols in northern Michigan
Franzmeier, Donald Paul
Text (1962)
Part of
Electronic Theses & Dissertations
Assessing the impact of compost amendment for managing nematodes and the health of mineral soil under carrot production
Habteweld, Alemayehu Workalemahu
Text (2015)
Part of
Electronic Theses & Dissertations
Response of slash pine (Pinus caribaea Morelet) to various nutrients in Norfolk soils in Florida
Westveld, Ruthford Henry
Text (1946)
Part of
Electronic Theses & Dissertations
Spodosol development as affected by geomorphic aspect, Baraga County, Michigan
Hunckler, Rober Vincent
Text (1996)
Part of
Electronic Theses & Dissertations
A comparison of field methods of determining the available phosphorus of soils
Engberg, Clarence Arvid, 1901-
Text (1932)
Part of
Electronic Theses & Dissertations
Mineral and organic forms of nitrogen in some Michigan soils and an agro-economic evaluation of their potential usefulness for advisory purposes
Singh, Bhubneshwar Narain
Text (1960)
Part of
Electronic Theses & Dissertations
Characterization of a Conover-Brookston soil mapping unit in Monroe County, Michigan
Asady, G. Hossein
Text (1980)
Part of
Electronic Theses & Dissertations
Growth and nutrition of plants as affected by degree of base saturation of montmorillonitic, kaolinitic and illicit types of soil colloids
Chu, Tsu-siang
Text (1948)
Part of
Electronic Theses & Dissertations
The effect of lead arsenate and DDT in soils on plant growth
Porter, J. A. (James Albert), 1902-
Text (1952)
Part of
Electronic Theses & Dissertations
The effect of benzene-hexachloride on crops grown on various soil types
Chulski, Karl
Text (1948)
Part of
Electronic Theses & Dissertations
The effect of soil type on the availability of finely ground rock phosphate
Ripley, Philip O.
Text (1929)
Part of
Electronic Theses & Dissertations
The significance of soil variations in raspberry culture
Schlubatis, Gordon R.
Text (1926)
Part of
Electronic Theses & Dissertations
A chronosequence of soils on lake terraces in Northern Michigan
Barrett, Linda R.
Text (1991)
Part of
Electronic Theses & Dissertations
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